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4TNV94 Engine Piston for Excavator

Product Name

Piston for Engine 4D954TNV94/6D107/S6K

Product Information

Piston

Finish

Smooth

MOQ

2 piece

Delivery Time

Within 15-20 days after contract established

Package

In carton

Business Scope

Bulldozer & excavator undercarriage parts, underground engage tools, hydraulic track press, hydraulic pump etc..


1


In some engines, the piston also acts as a valve. It is the moving component that is contained by a cylinder and is made gas-tight by piston rings. In an engine, its purpose is to transfer force from expanding gas in the cylinder to the crankshaft via a piston rod and/or connecting rod.


1. How do piston engines work?

The engine consists of a fixed cylinder and a moving piston. The expanding combustion gases push the piston, which in turn rotates the crankshaft. ... After the piston compresses the fuel-air mixture, the spark ignites it, causing combustion. The expansion of the combustion gases pushes the piston during the power stroke.


2. What can cause piston damage?

The symptoms of a piston failure can include engine noise (rattling or knocking noises while the engine is idling), oil burning, misfiring and loss of power. ... But a fuel or ignition problem won't cause engine noise or blue smoke in the exhaust. Loss of compression also can cause a misfire and a loss of power.


3. Are cylinders and pistons the same thing?

A cylinder is the central working part of a reciprocating engine or pump, the space in which a piston travels. Multiple cylinders are commonly arranged side by side in a bank, or engine block, which is typically cast from aluminum or cast iron before receiving precision machine work.


4. What are the signs of worn piston rings?

Here is a list of the most common symptoms for bad piston rings:

White or gray exhaust smoke.

Excessive oil consumption.

Low power for acceleration.

Overall loss of power or poor performance.


5. Can bad piston rings cause low oil pressure?

This is another frequent cause of low oil pressure. Using oil with a much lower viscosity than that recommended by the car manufacturer. ... Worn-out piston rings, cylinder walls, valve stem seals, or guides will allow oil to enter the combustion chamber and get burned, causing a drop in engine oil level and pressure.


Partial List

No.

NAME

Model

No.

NAME

Model

1

PISTON

4JG1

13

PISTON

6D102

2

PISTON

6BD1

14

PISTON

6D107

3

PISTON

6BG1 3

15

PISTON

4TNV94

4

PISTON

6BG1 4

16

PISTON

4TNE98

5

PISTON

4HK1

17

PISTON

4TNV98

6

PISTON

6HK1

18

PISTON

6D16T

7

PISTON

DB58

19

PISTON

S4K

8

PISTON

4BT3.3 48#

20

PISTON

S6K

9

PISTON

4BT3.3 50#

21

PISTON

S6K

10

PISTON

6BT5.9

22

PISTON

J05E

11

PISTON

4D95

23

PISTON

J08E

12

PISTON

4D102





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